package com.gdc.cloud.service.impl;

import com.gdc.cloud.service.IMessageProvider;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;
import java.util.UUID;

/**
 * Description: 消息提供者实现类
 * @author: gdc
 * @date: 2021/2/3
 * @version 1.0
 */
@EnableBinding(Source.class)
public class MessageProvider implements IMessageProvider {

    /**
     * 消息发送管道
     */
    @Resource
    private MessageChannel output;

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("*****serial: "  + serial);
        return serial;
    }
}
